a married woman who has never cheated, who looks ordinary anywhere. recently, she hasn't had sex with her husband either, but has her libido dried up without any affairs? with her husband's evil plan, he tricks his beloved wife into "taking care of a friend" and tries to see if a lewd friend can sleep with his wife, and the wife, who is used to caregiving in her helper job, gradually allows her body to a bold invitation from a young man...